Echo 1 MTC Mag Well Adapter (accepts M4 Magazines)

Echo 1 MTC Mag Well Adapter (accepts M4 Magazines)

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  • $21.80
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The Echo 1 MTC Mag Well Adapter (accepts M4 Magazines) is far and away, one of our most popular items. People can't seem to get enough of it.

Inventory Last Updated: Oct 19, 2026